Methods for exploring types in a cip57 file

Cargo.toml

@@ -1,10 +1,13 @@
 [workspace]
 resolver = "2"
-members = ["bin/tx3c",
-    "crates/tx3-cardano",
-    "crates/tx3-lang",
-    "crates/tx3-resolver",
-    "crates/tx3-tir",
+
+members = [
+  "bin/tx3c",
+  "crates/tx3-cardano",
+  "crates/tx3-lang",
+  "crates/tx3-resolver",
+  "crates/tx3-tir",
+  "crates/cip-57",
 ]
 
 [workspace.package]

crates/cip-57/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "cip-57"
+description = "CIP-57 compatibility (JSON parsing and serialization)"
+publish.workspace = true
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+version.workspace = true
+keywords.workspace = true
+documentation.workspace = true
+homepage.workspace = true
+readme.workspace = true
+
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1.0.137"